PHP: Not Strict Equals or Strict Not Equals

I was wondering, in PHP land, what is more performant? Strict Not Equals (
$var!==null) or Not Strict Equals (
!($var===null)), so I did some digging, in case anyone else was wondering the same.

Turns out, there is a difference, and frankly, if you have gotten this far, you have already wasted more time than computational time you’ll save knowing this, and as a result of writing this, I have wasted more time than all of you would save using this information. That said, here is the general breakdown (Note – The ERROR flag is raised because the variable is not set, expected):